diff --git a/Gemfile.lock b/Gemfile.lock
index 6f0d1c8..2fbc26d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,7 +25,7 @@ GEM
     multi_json (1.0.3)
     multi_xml (0.4.0)
     nokogiri (1.5.0)
-    rake (0.9.2)
+    rake (13.0.1)
     rspec (2.6.0)
       rspec-core (~> 2.6.0)
       rspec-expectations (~> 2.6.0)